General Motors has also announced this morning that two more shifts will be eliminated from two Michigan factories which produce the Chevrolet Silverado and GMC Sierra model pickup trucks. The two factories affected are located in Pontiac and Flint, Michigan. GM spokesman Tony Sapienza commented in an interview, "Before the strike at American Axle & Manufacturing Holdings Inc., the Flint plant was running three shifts and Pontiac running two...It's market demand". Hopefully market demand will come back sooner than later. Reported by Detroit News.